koperkapel/scenes/roach_management.py

   1 """ Roach management scene. """
   2
   3 from pgzero.constants import keys, mouse
   4 from pgzero.actor import Actor
   5 from pgzero.screen import Screen
   6 from ..actors.buttons import ImageButton
   7 from ..actors.surf import SurfActor
   8 from ..constants import WIDTH, HEIGHT
   9 from ..roaches import big_roaches, roach_by_name
  10 from ..serums import big_serums, roach_is_serumless, SERUMS
  11 from ..vehicles.base import Vehicle
  12 from .base import Scene, ChangeSceneEvent
  13
  14
  15 TOOLBAR_LEFT_X = WIDTH * 3 // 4
  16 TOOLBAR_TOP_Y = 0
  17 TOOLBAR_MID_Y = HEIGHT * 1 // 2
  18 VEHICLE_MID_X = WIDTH * 3 // 8
  19 VEHICLE_MID_Y = HEIGHT * 1 // 2
  20 BUTTON_INSET = (20, 20)
  21 SERUM_OFFSET = (0, 20)
  22 ROACH_PAD_OFFSET = (0, 20)
  23
  24
  25 def inset_button(pos, d):
  26     return (
  27         pos[0] + d[0] * BUTTON_INSET[0],
  28         pos[1] + d[1] * BUTTON_INSET[1])
  29
  30
  31 class RoachesScene(Scene):
  32     """ Roach management scene. """
  33
  34     def __init__(self, level_scene=None):
  35         super().__init__()
  36         self._level_scene = level_scene
  37         self._vehicle = None
  38         self._seat_pos = 0
  39         self._outside_roach = None
  40         self._outside_roach_pos = 0
  41         self._inventory_pos = 0
  42         self._inventory_item = None
  43         self._roach_layer = self.actors.add_layer("roaches", level=10)
  44         self._inventory_layer = self.actors.add_layer("inventory", level=10)
  45         self._pad_layer = self.actors.add_layer("pads", level=5)
  46         self._seat_layer = self.actors.add_layer("seats", level=5)
  47         self._button_layer = self.actors.add_layer("buttons", level=6)
  48         self._init_pads()
  49         self._init_buttons()
  50         self._init_serums()
  51
  52     def enter(self, world):
  53         self._vehicle = Vehicle.current(world)
  54         self._update_calls = []
  55         self._init_bg()
  56         self._init_seats()
  57         self._init_roaches(world)
  58         self._update_inventory(world)
  59
  60     def _init_bg(self):
  61         self.actors.default.clear()
  62         overlay = self._vehicle.roach_management_overlay()
  63         base = overlay.copy()
  64         if self._level_scene is not None:
  65             base.fill((0, 0, 0))
  66             self._level_scene.draw(Screen(base))
  67         else:
  68             base.fill((10, 10, 10))
  69         base.blit(overlay, (0, 0))
  70         self.actors.default.add(SurfActor(base))
  71
  72     def _init_seats(self):
  73         self._seat_layer.clear()
  74         for seat in self._vehicle.seats:
  75             seat_actor = self._seat_layer.add(seat.actor())
  76             seat_actor.pos = (
  77                 seat.vehicle_pos[0] + VEHICLE_MID_X,
  78                 seat.vehicle_pos[1] + VEHICLE_MID_Y)
  79         self._seat_layer[self._seat_pos].selected = True
  80
  81     def _init_roaches(self, world):
  82         self._roach_actors = {}
  83         for roach in world.roaches:
  84             self._roach_actors[roach.name] = big_roaches.assemble(roach)
  85
  86     def _init_serums(self):
  87         self._serum_actors = {
  88             serum: big_serums.assemble(serum) for serum in SERUMS}
  89
  90     def _update_inventory(self, world):
  91         self._inventory_layer.clear()
  92         serums = world.serums
  93         if not serums:
  94             return
  95         self._inventory_pos %= len(serums)
  96         serum_actor = self._serum_actors[serums[self._inventory_pos]]
  97         inv_pad_centre = self._inventory_pad.center
  98         serum_actor.pos = (
  99             inv_pad_centre[0] + SERUM_OFFSET[0],
 100             inv_pad_centre[1] + SERUM_OFFSET[1])
 101         self._inventory_layer.add(serum_actor)
 102
 103     def _update_roaches(self, world):
 104         self._roach_layer.clear()
 105         seating = self._vehicle.seating(world)
 106         self._outside_roaches = []
 107         for roach in world.roaches:
 108             seat_pos = seating.get(roach.name)
 109             if seat_pos is not None:
 110                 roach_actor = self._roach_actors[roach.name]
 111                 roach_actor.pos = self._seat_layer[seat_pos].pos
 112                 self._roach_layer.add(roach_actor)
 113             else:
 114                 self._outside_roaches.append(roach.name)
 115         if self._outside_roaches:
 116             self._outside_roach_pos %= len(self._outside_roaches)
 117             roach_actor = self._roach_actors[
 118                 self._outside_roaches[self._outside_roach_pos]]
 119             roach_pad_center = self._roach_pad.center
 120             roach_actor.pos = (
 121                 roach_pad_center[0] + ROACH_PAD_OFFSET[0],
 122                 roach_pad_center[1] + ROACH_PAD_OFFSET[1])
 123             self._roach_layer.add(roach_actor)
 124         else:
 125             self._outside_roach_pos = 0
 126
 127     def _init_pads(self):
 128         self._roach_pad = self._pad_layer.add(
 129             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
 130         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 131         self._inventory_pad = self._pad_layer.add(
 132             Actor("roach_management/inventory_pad", anchor=("left", "top")))
 133         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 134
 135     def _add_button(self, name, anchor, inset, pos, action):
 136         button = self._button_layer.add(
 137             ImageButton(name, anchor=anchor, action=action))
 138         button.pos = inset_button(pos, inset)
 139         return button
 140
 141     def _init_buttons(self):
 142         self._button_layer.clear()
 143         self._add_button(
 144             "roach_management/left_button", ("left", "bottom"), (1, -1),
 145             self._roach_pad.bottomleft, self._roach_left)
 146
 147         self._add_button(
 148             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 149             self._roach_pad.bottomright, self._roach_right)
 150
 151         self._add_button(
 152             "roach_management/left_button", ("left", "bottom"), (1, -1),
 153             self._inventory_pad.bottomleft, self._inventory_left)
 154
 155         self._add_button(
 156             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 157             self._inventory_pad.bottomright, self._inventory_right)
 158
 159         self._add_button(
 160             "roach_management/eject_button", ("right", "top"), (-1, 1),
 161             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
 162
 163     def _roach_left(self):
 164         self._outside_roach_pos -= 1
 165
 166     def _roach_right(self):
 167         self._outside_roach_pos += 1
 168
 169     def _inventory_left(self):
 170         self._inventory_pos -= 1
 171
 172     def _inventory_right(self):
 173         self._inventory_pos += 1
 174
 175     def _select_seat(self, seat_pos):
 176         self._seat_layer[self._seat_pos].selected = False
 177         self._seat_pos = seat_pos
 178         self._seat_layer[self._seat_pos].selected = True
 179
 180     def _eject_roach(self, world=None):
 181         if world is None:
 182             self._update_calls.append(self._eject_roach)
 183             return
 184         self._vehicle.seat_roach(world, None, self._seat_pos)
 185
 186     def _click_roach_pad(self, world=None):
 187         if world is None:
 188             self._update_calls.append(self._click_roach_pad)
 189             return
 190         if self._outside_roaches:
 191             roach = self._outside_roaches[self._outside_roach_pos]
 192             self._vehicle.seat_roach(world, roach, self._seat_pos)
 193
 194     def _click_inventory_pad(self, world=None):
 195         if world is None:
 196             self._update_calls.append(self._click_inventory_pad)
 197             return
 198         roach_name = self._vehicle.roach_at(world, self._seat_pos)
 199         if roach_name is None:
 200             return
 201         roach = roach_by_name(world, roach_name)
 202         if roach is None:
 203             return
 204         serums = list(world.serums)
 205         if self._inventory_pos >= len(serums):
 206             return
 207         serum = serums.pop(self._inventory_pos)
 208         if roach_is_serumless(roach):
 209             roach[serum] = True
 210             world.serums = serums
 211             self._update_calls.append((self._update_roach_actor, roach_name))
 212
 213     def _update_roach_actor(self, world, roach_name):
 214         roach = roach_by_name(world, roach_name)
 215         self._roach_actors[roach_name] = big_roaches.assemble(roach)
 216
 217     def update(self, world, engine, dt):
 218         update_calls, self._update_calls = self._update_calls, []
 219         while update_calls:
 220             f, args = update_calls.pop(), ()
 221             if type(f) is tuple:
 222                 f, args = f[0], f[1:]
 223             f(world, *args)
 224         events = world.pop_events()
 225         self._update_inventory(world)
 226         self._update_roaches(world)
 227         return events
 228
 229     def on_key_down(self, key, mod, unicode):
 230         if key in (keys.ESCAPE, keys.Z):
 231             if self._level_scene is None:
 232                 from .menu import MenuScene
 233                 return [ChangeSceneEvent(MenuScene())]
 234             return [ChangeSceneEvent(self._level_scene)]
 235
 236     def on_mouse_down(self, pos, button):
 237         if button == mouse.LEFT:
 238             for actor in self.actors.buttons:
 239                 if actor.collidepoint(pos):
 240                     return actor.action()
 241             for i, actor in enumerate(self.actors.seats):
 242                 if actor.collidepoint(pos):
 243                     return self._select_seat(i)
 244             if self._roach_pad.collidepoint(pos):
 245                 return self._click_roach_pad()
 246             if self._inventory_pad.collidepoint(pos):
 247                 return self._click_inventory_pad()